What conclusions can you draw about the identity of the unknowns (you must identify the three unknown metals)? Make sure to include direct reference to your data.
a. Unknown metal A is highly conductive, indicating it may be copper.
b. Unknown metal B has a low melting point, suggesting it could be aluminum.
c. Unknown metal C reacts vigorously with acid, pointing to a possible identity as zinc.
d. Unknown metal D exhibits magnetic properties, hinting at it being iron.